x² - 7x y +12y Evaluate lim(x,y)→(3,1) х- Зу

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Evaluate**

\[ \lim_{(x,y) \to (3,1)} \frac{x^2 - 7xy + 12y^2}{x - 3y} \]

**Explanation:**

The task is to evaluate the limit of a function of two variables as \((x, y)\) approaches the point \((3, 1)\). The function given is a rational expression with a polynomial in both the numerator and the denominator.

- **Numerator:** \(x^2 - 7xy + 12y^2\)
  - This is a quadratic polynomial in two variables.

- **Denominator:** \(x - 3y\)
  - A linear expression in two variables.

The main challenge in evaluating this limit is dealing with potential indeterminate forms that occur when both the numerator and denominator approach zero at the same time. Techniques like factoring, simplifying, or using paths to evaluate may be necessary to determine the limit, if it exists.
Transcribed Image Text:**Evaluate** \[ \lim_{(x,y) \to (3,1)} \frac{x^2 - 7xy + 12y^2}{x - 3y} \] **Explanation:** The task is to evaluate the limit of a function of two variables as \((x, y)\) approaches the point \((3, 1)\). The function given is a rational expression with a polynomial in both the numerator and the denominator. - **Numerator:** \(x^2 - 7xy + 12y^2\) - This is a quadratic polynomial in two variables. - **Denominator:** \(x - 3y\) - A linear expression in two variables. The main challenge in evaluating this limit is dealing with potential indeterminate forms that occur when both the numerator and denominator approach zero at the same time. Techniques like factoring, simplifying, or using paths to evaluate may be necessary to determine the limit, if it exists.
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The given expression is limx,y3,1x2-7xy+12y2x-3y

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